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- W4220772634 abstract "A Ge metal-semiconductor-metal photodetector covered with asymmetric HfSe2 contact geometries has been proposed to realize high-performance unbiased photodetection at 1550 nm. At -1 V bias, the responsivity of this device shows a 71% improvement compared to the device without HfSe2. Moreover, the responsivity and detectivity of this device at zero bias can reach to 71.2 mA/W and 3.27×1010 Jones, respectively. Furthermore, the fall time of this device is 2.2 µs and 53% shorter than the device without HfSe2. This work provides a feasible way to develop unbiased Ge-based photodetectors in the near-IR communications band." @default.
- W4220772634 created "2022-04-03" @default.
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- W4220772634 date "2022-03-01" @default.
- W4220772634 modified "2023-10-04" @default.
- W4220772634 title "High-performance unbiased Ge metal–semiconductor–metal photodetector covered with asymmetric HfSe<sub>2</sub> contact geometries" @default.
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- W4220772634 doi "https://doi.org/10.1364/ao.450947" @default.
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